<template>
  <div class="icons">
    <swiper :options="swiperOptions">
         <swiper-slide v-for="(page ,index) of pages" :key="index">

    <div class="icon" v-for="item of page" :key="item.id">
        <div class="icon-img">
            <img class="icon-img-content" :src="item.imgUrl">
            </div>
        <p class="icon-desc">{{item.desc}}</p>
    </div>
    </swiper-slide>
    </swiper>
  </div>
</template>

<script>
export default {
  name: 'HomeIcons',
  props: {
    list: Array
  },
  data () {
    return {
      swiperOptions: {
        autopaly: false
      }
    }
  },
  computed: {
    pages () {
      const pages = []
      this.list.forEach((item, index) => {
        const page = Math.floor(index / 8)
        if (!pages[page]) {
          pages[page] = []
        }
        pages[page].push(item)
      })
      return pages
    }
  }
}
</script>
<style lang="stylus" scoped>
@import '~styles/mixins.styl'
.icons >>> .swiper-container
  height: 0
  padding-bottom: 50%
  .icons
    margin-top :.1rem

.icon
    position :relative
    overflow :hidden
    float: left
    width: 25%
    height :0
    padding-bottom: 25%
    .icon-img
        position :absolute
        top: 0
        left: 0
        right: 0
        bottom: .44rem
        box-sizing :border-box
        padding :.1rem
        .icon-img-content
            display :block
            margin : 0 auto
            height : 100%
    .icon-desc
        position :absolute
        left: 0
        right: 0
        bottom : 0
        height :.44rem
        line-height : .44rem
        text-align :center
        color :#333
        overflow :hidden
        white-space:nowrap
        text-overflow :ellipsis

</style>
